No argument here. I'd never claim good managers don't have additional skills beyond the technical. Only that the crisp line we try to draw between the two rol

No argument here. I'd never claim good managers don't have additional skills beyond the technical. Only that the crisp line we try to draw between the two roles is a false one. I'd also claim the following: sometimes doers have to manage up or laterally. In that sense, a good doer must have some of the skills of a good manager, just as the reverse is true...